document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=117457>Question 117457</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bag contains 10 blue, 6 red, and 4 green rubber balls. If you select a ball at random from the bag, what is the probability of not choosing a green ball?\r<BR>\n" );
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document.write( "A. 1/5 <BR>\n" );
document.write( "B. 4/5<BR>\n" );
document.write( "C. 5/6<BR>\n" );
document.write( "D. 9/10\r<BR>\n" );
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document.write( "Why can you eliminate choice D in this question? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #85459 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=85459\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The total number of balls available is 10+6+4=20 balls.<BR>\n" );
document.write( "The probability of choosing a blue ball is 10/20.<BR>\n" );
document.write( "The probability of choosing a red ball is 6/20.<BR>\n" );
document.write( "The probability of choosing a green ball is 4/20.<BR>\n" );
document.write( "P(green or not green) = 1, since the ball I choose must be either green or not green.<BR>\n" );
document.write( "P(green) + P(not green) = P(green or not green)<BR>\n" );
document.write( "4/20 + P(not green) = 1<BR>\n" );
document.write( "P(not green) = 16/20 = 4/5<BR>\n" );
document.write( "The answer is B. <BR>\n" );
document.write( "You can eliminate D because none of the probability can sum to 18 out of 20(9/10). The only possible choices are 16/20, 14/20, or 10/20. <BR>\n" );
document.write( "You can also eliminate C because it's not possible to sum to repeating fraction from the possible probabilities (0.5,0.3,0.2). </SPAN>\n" );
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